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1. ACI Committee313,"commentary on standard practice for design and construction of concrete silos and stacking tubes for storing granular materials", American concrete institute, Farmington hills, mich.,1997,20pp.
2. DIN 1055,"Design loads for buildings/ loads in silo bins" German standards(DIN Normen),2000,6pp.
3. Sargis S. Safarian, Ernest C.Harris" Design And Construction of Silos and Bunkers" van No Strand Reinhold company.451pp.
4. Ph.D.Hala Hammadeh" The effect of Silo Geometry on the Shape of Funnel Flow and wall pressure of granular material,1995.137pp.
5. Ph.D. Carson ,P.Eng. Jenkeyn " Load Development and Structural Considerations in Silo Design " JENIKE and JOHANSON incorporated, Oslo, Norway, August 1993,16pp.
6. Bulk solids handling, the international Journal, Germany, Volume 23, Number 5, January/ March 2003,6pp.
7. powder and bulk weblog" Solving Powder flow Problems in Bins/Silos" Joe Lewis,
April ,2006..
8. Irena Sielamowicz, Tomasz A. Kowalewski, Slawomir Blonski "Central and eccentric Granular Material Flows in bins /hoppers registered by DPIV Optical Technique" Acta Agrophysica,Poland,2004.
9. 12 TH International Symposium on flow visualization," DPIV Technique for granular material flows in silo models", German Aerospace Center(DLR), Germany, September 2006,9pp.
10. Sielamowicz, Z.Mroz, R.Balevicius, R.Kacianauskas" DEM simulation of wall pressure in a model of silo and comparison to experimental measurements" Poland, 2007.
30/6/2010
11. F.Ayuga, P.Augado, E.Gallego, and A.Ramirez" New steps towards the knowledge of silo behavior" International Agrophysics, Spain,2005.
12. Carson J.W,Royal TA" modeling the flow of bulk solids" Powder handling and processing, Volume 3, Number 3, 1991,4pp.
13. Johanson J.R" Modeling Flow of Bulk Solids. Powder Technol,5,1971/72.
14. Deploma degree of Nabeel AL-Shawaf" Studying the compare of silo loads due to international codes" 2006.
15. Dr Waeel Malla,Dr Amjad Zeno,Dr Wesaam Nahlea, Dr Yousef Merry "Applied Hydraulic" Damascus university published, 2009.
16. V.Ganesan,K.A.roesntrater,K.Muthukumarappan" flow ability and handling characterizes of bulk solids and powders'' USA,2008 .